ásperavsaspireTell them apart

Quick tell: áspera is a adjective, aspire is a verb, so they fill different roles in a sentence.

Which to use

“áspera” is an adjective and “aspire” is a verb - they look or sound alike but fill different roles in a sentence.

#37,391
“áspera” frequency rank
#48,225
“aspire” frequency rank
85616
confusion score

Side-by-Side Comparison

Feature áspera aspire
Definition Forma del femenino singular de áspero. Primera persona del singular (yo) del presente de subjuntivo de aspirar.

Where the eye mixes áspera and aspire

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. áspera and aspire follow the identical consonant-vowel pattern (VCCVCV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
áspera
6 ch
aspire

Visual trap between áspera and aspire

These two trip readers on the page rather than in the ear: áspera is [ˈaspeɾa] while aspire is [asˈpiɾe]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 85616, derived from the frequency rank of both members and their visual similarity.

áspera is recorded at frequency rank #37,391, classified as anadj, pronounced [ˈaspeɾa]. aspire is at rank #48,225, tagged as averb, pronounced [asˈpiɾe].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 85616, this pair ranks #5,981 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of áspera vs aspire

Shared letters: aeprs. Private to "áspera": á. Private to "aspire": i.

"áspera" · 6 letters · shape VCCVCV  ·  "aspire" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • aspire ← apsire · asipre · aspier · aspirre · asppire · asprie · asspire · sapire

Frequently Asked Questions

Is swapping "áspera" for "aspire" ever safe?
No - they are not even the same part of speech. "áspera" is an adjective and "aspire" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "áspera" vs "aspire" - which ranks higher?
"áspera" is the more common of the two: it sits at frequency rank #37,391 in our Spanish list, against #48,225 for "aspire". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "áspera" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aspire" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #5,981 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "áspera" and "aspire" also get mixed up with nearby pairs, the highest-scored neighbour is "aspire vs aspiro". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #5,981 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list